Microbial air sampler



FIG. 1 is a perspective view of a microbial air sampler showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a cross-sectional side view thereof.

The left and right side views are the same images as the front view. 

CLAIM The ornamental design for a microbial air sampler, as shown and described. 